From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/scsi/hpsa.c | 286 ++++++++++++++++++++++++++++++++-------------------- 1 file changed, 176 insertions(+), 110 deletions(-) (limited to 'drivers/scsi/hpsa.c') diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index cab4e98b2..40669f8dd 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -1,6 +1,7 @@ /* * Disk Array driver for HP Smart Array SAS controllers - * Copyright 2000, 2014 Hewlett-Packard Development Company, L.P. + * Copyright 2014-2015 PMC-Sierra, Inc. + * Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -11,11 +12,7 @@ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Questions/Comments/Bugfixes to iss_storagedev@hp.com + * Questions/Comments/Bugfixes to storagedev@pmcs.com * */ @@ -132,6 +129,11 @@ static const struct pci_device_id hpsa_pci_device_id[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CD}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CE}, {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0580}, + {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0581}, + {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0582}, + {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0583}, + {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0584}, + {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0585}, {PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x0076}, {PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x0087}, {PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x007D}, @@ -190,6 +192,11 @@ static struct board_type products[] = { {0x21CD103C, "Smart Array", &SA5_access}, {0x21CE103C, "Smart HBA", &SA5_access}, {0x05809005, "SmartHBA-SA", &SA5_access}, + {0x05819005, "SmartHBA-SA 8i", &SA5_access}, + {0x05829005, "SmartHBA-SA 8i8e", &SA5_access}, + {0x05839005, "SmartHBA-SA 8e", &SA5_access}, + {0x05849005, "SmartHBA-SA 16i", &SA5_access}, + {0x05859005, "SmartHBA-SA 4i4e", &SA5_access}, {0x00761590, "HP Storage P1224 Array Controller", &SA5_access}, {0x00871590, "HP Storage P1224e Array Controller", &SA5_access}, {0x007D1590, "HP Storage P1228 Array Controller", &SA5_access}, @@ -267,6 +274,7 @@ static int hpsa_scsi_ioaccel_queue_command(struct ctlr_info *h, static void hpsa_command_resubmit_worker(struct work_struct *work); static u32 lockup_detected(struct ctlr_info *h); static int detect_controller_lockup(struct ctlr_info *h); +static int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device); static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev) { @@ -325,7 +333,7 @@ static int check_for_unit_attention(struct ctlr_info *h, decode_sense_data(c->err_info->SenseInfo, sense_len, &sense_key, &asc, &ascq); - if (sense_key != UNIT_ATTENTION || asc == -1) + if (sense_key != UNIT_ATTENTION || asc == 0xff) return 0; switch (asc) { @@ -717,12 +725,107 @@ static ssize_t host_show_hp_ssd_smart_path_enabled(struct device *dev, return snprintf(buf, 20, "%d\n", offload_enabled); } +#define MAX_PATHS 8 +#define PATH_STRING_LEN 50 + +static ssize_t path_info_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ctlr_info *h; + struct scsi_device *sdev; + struct hpsa_scsi_dev_t *hdev; + unsigned long flags; + int i; + int output_len = 0; + u8 box; + u8 bay; + u8 path_map_index = 0; + char *active; + unsigned char phys_connector[2]; + unsigned char path[MAX_PATHS][PATH_STRING_LEN]; + + memset(path, 0, MAX_PATHS * PATH_STRING_LEN); + sdev = to_scsi_device(dev); + h = sdev_to_hba(sdev); + spin_lock_irqsave(&h->devlock, flags); + hdev = sdev->hostdata; + if (!hdev) { + spin_unlock_irqrestore(&h->devlock, flags); + return -ENODEV; + } + + bay = hdev->bay; + for (i = 0; i < MAX_PATHS; i++) { + path_map_index = 1<active_path_index) + active = "Active"; + else if (hdev->path_map & path_map_index) + active = "Inactive"; + else + continue; + + output_len = snprintf(path[i], + PATH_STRING_LEN, "[%d:%d:%d:%d] %20.20s ", + h->scsi_host->host_no, + hdev->bus, hdev->target, hdev->lun, + scsi_device_type(hdev->devtype)); + + if (is_ext_target(h, hdev) || + (hdev->devtype == TYPE_RAID) || + is_logical_dev_addr_mode(hdev->scsi3addr)) { + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, "%s\n", + active); + continue; + } + + box = hdev->box[i]; + memcpy(&phys_connector, &hdev->phys_connector[i], + sizeof(phys_connector)); + if (phys_connector[0] < '0') + phys_connector[0] = '0'; + if (phys_connector[1] < '0') + phys_connector[1] = '0'; + if (hdev->phys_connector[i] > 0) + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, + "PORT: %.2s ", + phys_connector); + if (hdev->devtype == TYPE_DISK && + hdev->expose_state != HPSA_DO_NOT_EXPOSE) { + if (box == 0 || box == 0xFF) { + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, + "BAY: %hhu %s\n", + bay, active); + } else { + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, + "BOX: %hhu BAY: %hhu %s\n", + box, bay, active); + } + } else if (box != 0 && box != 0xFF) { + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, "BOX: %hhu %s\n", + box, active); + } else + output_len += snprintf(path[i] + output_len, + PATH_STRING_LEN, "%s\n", active); + } + + spin_unlock_irqrestore(&h->devlock, flags); + return snprintf(buf, output_len+1, "%s%s%s%s%s%s%s%s", + path[0], path[1], path[2], path[3], + path[4], path[5], path[6], path[7]); +} + static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL); static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL); static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL); static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); static DEVICE_ATTR(hp_ssd_smart_path_enabled, S_IRUGO, host_show_hp_ssd_smart_path_enabled, NULL); +static DEVICE_ATTR(path_info, S_IRUGO, path_info_show, NULL); static DEVICE_ATTR(hp_ssd_smart_path_status, S_IWUSR|S_IRUGO|S_IROTH, host_show_hp_ssd_smart_path_status, host_store_hp_ssd_smart_path_status); @@ -744,6 +847,7 @@ static struct device_attribute *hpsa_sdev_attrs[] = { &dev_attr_lunid, &dev_attr_unique_id, &dev_attr_hp_ssd_smart_path_enabled, + &dev_attr_path_info, &dev_attr_lockup_detected, NULL, }; @@ -1083,17 +1187,19 @@ static int hpsa_scsi_add_entry(struct ctlr_info *h, int hostno, /* This is a non-zero lun of a multi-lun device. * Search through our list and find the device which - * has the same 8 byte LUN address, excepting byte 4. + * has the same 8 byte LUN address, excepting byte 4 and 5. * Assign the same bus and target for this new LUN. * Use the logical unit number from the firmware. */ memcpy(addr1, device->scsi3addr, 8); addr1[4] = 0; + addr1[5] = 0; for (i = 0; i < n; i++) { sd = h->dev[i]; memcpy(addr2, sd->scsi3addr, 8); addr2[4] = 0; - /* differ only in byte 4? */ + addr2[5] = 0; + /* differ only in byte 4 and 5? */ if (memcmp(addr1, addr2, 8) == 0) { device->bus = sd->bus; device->target = sd->target; @@ -1286,8 +1392,9 @@ static inline int device_updated(struct hpsa_scsi_dev_t *dev1, return 1; if (dev1->offload_enabled != dev2->offload_enabled) return 1; - if (dev1->queue_depth != dev2->queue_depth) - return 1; + if (!is_logical_dev_addr_mode(dev1->scsi3addr)) + if (dev1->queue_depth != dev2->queue_depth) + return 1; return 0; } @@ -1376,17 +1483,23 @@ static void hpsa_show_volume_status(struct ctlr_info *h, h->scsi_host->host_no, sd->bus, sd->target, sd->lun); break; + case HPSA_LV_NOT_AVAILABLE: + dev_info(&h->pdev->dev, + "C%d:B%d:T%d:L%d Volume is waiting for transforming volume.\n", + h->scsi_host->host_no, + sd->bus, sd->target, sd->lun); + break; case HPSA_LV_UNDERGOING_RPI: dev_info(&h->pdev->dev, - "C%d:B%d:T%d:L%d Volume is undergoing rapid parity initialization process.\n", + "C%d:B%d:T%d:L%d Volume is undergoing rapid parity init.\n", h->scsi_host->host_no, sd->bus, sd->target, sd->lun); break; case HPSA_LV_PENDING_RPI: dev_info(&h->pdev->dev, - "C%d:B%d:T%d:L%d Volume is queued for rapid parity initialization process.\n", - h->scsi_host->host_no, - sd->bus, sd->target, sd->lun); + "C%d:B%d:T%d:L%d Volume is queued for rapid parity initialization process.\n", + h->scsi_host->host_no, + sd->bus, sd->target, sd->lun); break; case HPSA_LV_ENCRYPTED_NO_KEY: dev_info(&h->pdev->dev, @@ -2585,34 +2698,6 @@ out: return rc; } -static int hpsa_bmic_ctrl_mode_sense(struct ctlr_info *h, - unsigned char *scsi3addr, unsigned char page, - struct bmic_controller_parameters *buf, size_t bufsize) -{ - int rc = IO_OK; - struct CommandList *c; - struct ErrorInfo *ei; - - c = cmd_alloc(h); - if (fill_cmd(c, BMIC_SENSE_CONTROLLER_PARAMETERS, h, buf, bufsize, - page, scsi3addr, TYPE_CMD)) { - rc = -1; - goto out; - } - rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); - if (rc) - goto out; - ei = c->err_info; - if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { - hpsa_scsi_interpret_error(h, c); - rc = -1; - } -out: - cmd_free(h, c); - return rc; -} - static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr, u8 reset_type, int reply_queue) { @@ -2749,11 +2834,10 @@ static int hpsa_do_reset(struct ctlr_info *h, struct hpsa_scsi_dev_t *dev, lockup_detected(h)); if (unlikely(lockup_detected(h))) { - dev_warn(&h->pdev->dev, - "Controller lockup detected during reset wait\n"); - mutex_unlock(&h->reset_mutex); - rc = -ENODEV; - } + dev_warn(&h->pdev->dev, + "Controller lockup detected during reset wait\n"); + rc = -ENODEV; + } if (unlikely(rc)) atomic_set(&dev->reset_cmds_out, 0); @@ -3186,6 +3270,7 @@ static int hpsa_volume_offline(struct ctlr_info *h, /* Keep volume offline in certain cases: */ switch (ldstat) { case HPSA_LV_UNDERGOING_ERASE: + case HPSA_LV_NOT_AVAILABLE: case HPSA_LV_UNDERGOING_RPI: case HPSA_LV_PENDING_RPI: case HPSA_LV_ENCRYPTED_NO_KEY: @@ -3562,29 +3647,6 @@ static u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position, return NULL; } -static int hpsa_hba_mode_enabled(struct ctlr_info *h) -{ - int rc; - int hba_mode_enabled; - struct bmic_controller_parameters *ctlr_params; - ctlr_params = kzalloc(sizeof(struct bmic_controller_parameters), - GFP_KERNEL); - - if (!ctlr_params) - return -ENOMEM; - rc = hpsa_bmic_ctrl_mode_sense(h, RAID_CTLR_LUNID, 0, ctlr_params, - sizeof(struct bmic_controller_parameters)); - if (rc) { - kfree(ctlr_params); - return rc; - } - - hba_mode_enabled = - ((ctlr_params->nvram_flags & HBA_MODE_ENABLED_FLAG) != 0); - kfree(ctlr_params); - return hba_mode_enabled; -} - /* get physical drive ioaccel handle and queue depth */ static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h, struct hpsa_scsi_dev_t *dev, @@ -3615,6 +3677,31 @@ static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h, atomic_set(&dev->reset_cmds_out, 0); } +static void hpsa_get_path_info(struct hpsa_scsi_dev_t *this_device, + u8 *lunaddrbytes, + struct bmic_identify_physical_device *id_phys) +{ + if (PHYS_IOACCEL(lunaddrbytes) + && this_device->ioaccel_handle) + this_device->hba_ioaccel_enabled = 1; + + memcpy(&this_device->active_path_index, + &id_phys->active_path_number, + sizeof(this_device->active_path_index)); + memcpy(&this_device->path_map, + &id_phys->redundant_path_present_map, + sizeof(this_device->path_map)); + memcpy(&this_device->box, + &id_phys->alternate_paths_phys_box_on_port, + sizeof(this_device->box)); + memcpy(&this_device->phys_connector, + &id_phys->alternate_paths_phys_connector, + sizeof(this_device->phys_connector)); + memcpy(&this_device->bay, + &id_phys->phys_bay_in_box, + sizeof(this_device->bay)); +} + static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) { /* the idea here is we could get notified @@ -3637,7 +3724,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) int ncurrent = 0; int i, n_ext_target_devs, ndevs_to_allocate; int raid_ctlr_position; - int rescan_hba_mode; DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS); currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL); @@ -3653,17 +3739,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) } memset(lunzerobits, 0, sizeof(lunzerobits)); - rescan_hba_mode = hpsa_hba_mode_enabled(h); - if (rescan_hba_mode < 0) - goto out; - - if (!h->hba_mode_enabled && rescan_hba_mode) - dev_warn(&h->pdev->dev, "HBA mode enabled\n"); - else if (h->hba_mode_enabled && !rescan_hba_mode) - dev_warn(&h->pdev->dev, "HBA mode disabled\n"); - - h->hba_mode_enabled = rescan_hba_mode; - if (hpsa_gather_lun_info(h, physdev_list, &nphysicals, logdev_list, &nlogicals)) goto out; @@ -3739,9 +3814,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) /* do not expose masked devices */ if (MASKED_DEVICE(lunaddrbytes) && i < nphysicals + (raid_ctlr_position == 0)) { - if (h->hba_mode_enabled) - dev_warn(&h->pdev->dev, - "Masked physical device detected\n"); this_device->expose_state = HPSA_DO_NOT_EXPOSE; } else { this_device->expose_state = @@ -3761,30 +3833,21 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) ncurrent++; break; case TYPE_DISK: - if (i >= nphysicals) { - ncurrent++; - break; - } - - if (h->hba_mode_enabled) - /* never use raid mapper in HBA mode */ + if (i < nphysicals + (raid_ctlr_position == 0)) { + /* The disk is in HBA mode. */ + /* Never use RAID mapper in HBA mode. */ this_device->offload_enabled = 0; - else if (!(h->transMethod & CFGTBL_Trans_io_accel1 || - h->transMethod & CFGTBL_Trans_io_accel2)) - break; - - hpsa_get_ioaccel_drive_info(h, this_device, - lunaddrbytes, id_phys); - atomic_set(&this_device->ioaccel_cmds_out, 0); + hpsa_get_ioaccel_drive_info(h, this_device, + lunaddrbytes, id_phys); + hpsa_get_path_info(this_device, lunaddrbytes, + id_phys); + } ncurrent++; break; case TYPE_TAPE: case TYPE_MEDIUM_CHANGER: - ncurrent++; - break; case TYPE_ENCLOSURE: - if (h->hba_mode_enabled) - ncurrent++; + ncurrent++; break; case TYPE_RAID: /* Only present the Smartarray HBA as a RAID controller. @@ -7992,7 +8055,6 @@ reinit_after_soft_reset: pci_set_drvdata(pdev, h); h->ndevices = 0; - h->hba_mode_enabled = 0; spin_lock_init(&h->devlock); rc = hpsa_put_ctlr_into_performant_mode(h); @@ -8057,7 +8119,7 @@ reinit_after_soft_reset: rc = hpsa_kdump_soft_reset(h); if (rc) /* Neither hard nor soft reset worked, we're hosed. */ - goto clean9; + goto clean7; dev_info(&h->pdev->dev, "Board READY.\n"); dev_info(&h->pdev->dev, @@ -8103,8 +8165,6 @@ reinit_after_soft_reset: h->heartbeat_sample_interval); return 0; -clean9: /* wq, sh, perf, sg, cmd, irq, shost, pci, lu, aer/h */ - kfree(h->hba_inquiry_data); clean7: /* perf, sg, cmd, irq, shost, pci, lu, aer/h */ hpsa_free_performant_mode(h); h->access.set_intr_mask(h, HPSA_INTR_OFF); @@ -8212,6 +8272,14 @@ static void hpsa_remove_one(struct pci_dev *pdev) destroy_workqueue(h->rescan_ctlr_wq); destroy_workqueue(h->resubmit_wq); + /* + * Call before disabling interrupts. + * scsi_remove_host can trigger I/O operations especially + * when multipath is enabled. There can be SYNCHRONIZE CACHE + * operations which cannot complete and will hang the system. + */ + if (h->scsi_host) + scsi_remove_host(h->scsi_host); /* init_one 8 */ /* includes hpsa_free_irqs - init_one 4 */ /* includes hpsa_disable_interrupt_mode - pci_init 2 */ hpsa_shutdown(pdev); @@ -8220,8 +8288,6 @@ static void hpsa_remove_one(struct pci_dev *pdev) kfree(h->hba_inquiry_data); /* init_one 10 */ h->hba_inquiry_data = NULL; /* init_one 10 */ - if (h->scsi_host) - scsi_remove_host(h->scsi_host); /* init_one 8 */ hpsa_free_ioaccel2_sg_chain_blocks(h); hpsa_free_performant_mode(h); /* init_one 7 */ hpsa_free_sg_chain_blocks(h); /* init_one 6 */ -- cgit v1.2.3-54-g00ecf